(19)

(11)

EP 1 588 524 A2

(12)

(88) Date of publication A3: 18.11.2004 (43) Date of publication: 26.10.2005 Bulletin 2005/43 (21) Application number: 04705718.7 (22) Date of filing: 27.01.2004

(51) International Patent Classification (IPC)7: H04L 12/28 (86) International application number: PCT/US2004/002312 (87) International publication number: WO 2004/068797 (12.08.2004 Gazette 2004/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 27.01.2003 US 442973 P 23.01.2004 US 763289 (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121 (US)	(72) Inventor: GAGE, Kenneth, L. Glendale, AZ 85302 (US) (74) Representative: Wagner, Karl H. et al WAGNER & GEYER Patentanwälte Gewuerzmuehlstrasse 5 D-80538 München D-80538 München (DE)